http://tech.leolink.net/2014/01/wrapcontent-doesnt-work-with-viewpager.html

layout.xml

<LinearLayout 
android:id="@+id/tutorial_viewpager_container"
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:background="@drawable/tutorial_rounded_corner_background">
	<android.support.v4.view.ViewPager
	    android:id="@+id/tutorial_viewpager"
	    android:background="@android:color/transparent"
	    android:layout_width="match_parent"
	    android:layout_height="match_parent"
	    android:padding="12dp"
	    android:fadingEdge="none"
	    android:overScrollMode="never" />
	<com.viewpagerindicator.CirclePageIndicator
		android:id="@+id/tutorial_viewpager_indicator"
		android:layout_marginTop="-30dp"
		android:layout_height="wrap_content"
		android:layout_width="fill_parent" />
</LinearLayout>

tutorial.java

// set mViewPager's size equal to the LinearLayout that wraps it
Drawable d = getResources().getDrawable(R.drawable.tutorial_rounded_corner_background);
ViewGroup.LayoutParams p = mViewPager.getLayoutParams();
p.width = d.getIntrinsicWidth();
p.height = d.getIntrinsicHeight();